# Effect of Vitamin D Supplement on Osteoprotegin Expression and Disease Progression in Patients With Chronic Kidney Disease Stage 1 and 2

> **NCT01561222** · PHASE4 · UNKNOWN · sponsor: **Taixing People's Hospital** · enrollment: 300 (estimated)

## Conditions studied

- Chronic Kidney Disease Stage 1
- Chronic Kidney Disease Stage 2

## Interventions

- **DRUG:** Calcitriol
- **DRUG:** placebo

## Key facts

- **NCT ID:** NCT01561222
- **Lead sponsor:** Taixing People's Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2015-07
- **Primary completion:** 2016-03
- **Final completion:** —
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2015-06-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01561222

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01561222, "Effect of Vitamin D Supplement on Osteoprotegin Expression and Disease Progression in Patients With Chronic Kidney Disease Stage 1 and 2". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT01561222. Licensed CC0.

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